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gimp/app/core/gimptoolpresets.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimptoolpresets.c
* Copyright (C) 2006 Sven Neumann <sven@gimp.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <errno.h>
#include <glib-object.h>
#include <glib/gstdio.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpconfig/gimpconfig.h"
#include "core-types.h"
#include "gimp.h"
#include "gimpmarshal.h"
#include "gimptoolinfo.h"
#include "gimptooloptions.h"
#include "gimptoolpresets.h"
#include "gimp-intl.h"
enum
{
CHANGED,
LAST_SIGNAL
};
enum
{
PROP_0,
PROP_TOOL_INFO
};
static void gimp_tool_presets_finalize (GObject *object);
static void gimp_tool_presets_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_tool_presets_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gimp_tool_presets_add (GimpContainer *container,
GimpObject *object);
static void gimp_tool_presets_remove (GimpContainer *container,
GimpObject *object);
static void gimp_tool_presets_notify (GimpToolPresets *presets);
G_DEFINE_TYPE (GimpToolPresets, gimp_tool_presets, GIMP_TYPE_LIST)
#define parent_class gimp_tool_presets_parent_class
static guint gimp_tool_presets_signals[LAST_SIGNAL] = { 0 };
static void
gimp_tool_presets_class_init (GimpToolPresetsClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpContainerClass *container_class = GIMP_CONTAINER_CLASS (klass);
gimp_tool_presets_signals[CHANGED] =
g_signal_new ("changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpToolPresetsClass, changed),
NULL, NULL,
gimp_marshal_VOID__VOID,
G_TYPE_NONE, 0);
object_class->set_property = gimp_tool_presets_set_property;
object_class->get_property = gimp_tool_presets_get_property;
object_class->finalize = gimp_tool_presets_finalize;
container_class->add = gimp_tool_presets_add;
container_class->remove = gimp_tool_presets_remove;
klass->changed = NULL;
g_object_class_install_property (object_class, PROP_TOOL_INFO,
g_param_spec_object ("tool-info",
NULL, NULL,
GIMP_TYPE_TOOL_INFO,
G_PARAM_CONSTRUCT_ONLY |
GIMP_PARAM_READWRITE));
}
static void
gimp_tool_presets_init (GimpToolPresets *presets)
{
presets->tool_info = NULL;
}
static void
gimp_tool_presets_finalize (GObject *object)
{
GimpToolPresets *presets = GIMP_TOOL_PRESETS (object);
if (presets->tool_info)
{
g_object_unref (presets->tool_info);
presets->tool_info = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_tool_presets_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpToolPresets *presets = GIMP_TOOL_PRESETS (object);
switch (property_id)
{
case PROP_TOOL_INFO:
presets->tool_info = g_value_dup_object (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_tool_presets_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpToolPresets *presets = GIMP_TOOL_PRESETS (object);
switch (property_id)
{
case PROP_TOOL_INFO:
g_value_set_object (value, presets->tool_info);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_tool_presets_add (GimpContainer *container,
GimpObject *object)
{
GIMP_CONTAINER_CLASS (parent_class)->add (container, object);
g_signal_connect_swapped (object, "notify",
G_CALLBACK (gimp_tool_presets_notify),
container);
g_signal_emit (container, gimp_tool_presets_signals[CHANGED], 0);
}
static void
gimp_tool_presets_remove (GimpContainer *container,
GimpObject *object)
{
g_signal_handlers_disconnect_by_func (object,
G_CALLBACK (gimp_tool_presets_notify),
container);
GIMP_CONTAINER_CLASS (parent_class)->remove (container, object);
g_signal_emit (container, gimp_tool_presets_signals[CHANGED], 0);
}
static void
gimp_tool_presets_notify (GimpToolPresets *presets)
{
g_signal_emit (presets, gimp_tool_presets_signals[CHANGED], 0);
}
GimpToolPresets *
gimp_tool_presets_new (GimpToolInfo *tool_info)
{
GimpToolPresets *presets;
gchar *name;
g_return_val_if_fail (GIMP_IS_TOOL_INFO (tool_info), NULL);
presets = g_object_new (GIMP_TYPE_TOOL_PRESETS,
"tool-info", tool_info,
"children-type", tool_info->tool_options_type,
"policy", GIMP_CONTAINER_POLICY_STRONG,
NULL);
name = g_strdup_printf ("%s options",
gimp_object_get_name (GIMP_OBJECT (tool_info)));
gimp_object_take_name (GIMP_OBJECT (presets), name);
return presets;
}
GimpToolOptions *
gimp_tool_presets_get_options (GimpToolPresets *presets,
gint index)
{
g_return_val_if_fail (GIMP_IS_TOOL_PRESETS (presets), NULL);
return (GimpToolOptions *)
gimp_container_get_child_by_index (GIMP_CONTAINER (presets), index);
}
gboolean
gimp_tool_presets_save (GimpToolPresets *presets,
GError **error)
{
Gimp *gimp;
gchar *filename;
gboolean retval = TRUE;
g_return_val_if_fail (GIMP_IS_TOOL_PRESETS (presets), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
gimp = presets->tool_info->gimp;
filename = gimp_tool_info_build_options_filename (presets->tool_info,
".presets");
if (! gimp_container_is_empty (GIMP_CONTAINER (presets)))
{
gchar *footer;
if (gimp->be_verbose)
g_print ("Writing '%s'\n", gimp_filename_to_utf8 (filename));
gimp_tool_options_create_folder ();
footer = g_strdup_printf ("end of %s", GIMP_OBJECT (presets)->name);
retval = gimp_config_serialize_to_file (GIMP_CONFIG (presets), filename,
GIMP_OBJECT (presets)->name,
footer,
NULL, error);
g_free (footer);
}
else if (g_file_test (filename, G_FILE_TEST_EXISTS))
{
if (gimp->be_verbose)
g_print ("Deleting '%s'\n", gimp_filename_to_utf8 (filename));
if (g_unlink (filename) != 0 && errno != ENOENT)
{
retval = FALSE;
g_set_error (error, G_FILE_ERROR, g_file_error_from_errno (errno),
_("Could not delete '%s': %s"),
gimp_filename_to_utf8 (filename), g_strerror (errno));
}
}
g_free (filename);
return retval;
}
gboolean
gimp_tool_presets_load (GimpToolPresets *presets,
GError **error)
{
Gimp *gimp;
GList *list;
gchar *filename;
gboolean retval = TRUE;
g_return_val_if_fail (GIMP_IS_TOOL_PRESETS (presets), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
gimp = presets->tool_info->gimp;
gimp_container_clear (GIMP_CONTAINER (presets));
filename = gimp_tool_info_build_options_filename (presets->tool_info,
".presets");
if (gimp->be_verbose)
g_print ("Parsing '%s'\n", gimp_filename_to_utf8 (filename));
retval = gimp_config_deserialize_file (GIMP_CONFIG (presets), filename, gimp,
error);
g_free (filename);
gimp_list_reverse (GIMP_LIST (presets));
for (list = GIMP_LIST (presets)->list; list; list = g_list_next (list))
g_object_set (list->data, "tool-info", presets->tool_info, NULL);
return retval;
}
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